At the EGU, in the session about aeolian transport , we presented the integrated coastal model.
Please find the EGU Aeolian transport presentation in the attachments.
More info can be found here:
Sourcecode: http://oss.deltares.nl (under xbeach, info on compiling)
Dune: http://www.comphys.ethz.ch/hans/dunes.html